Table 1.
Clinical features at presentation
| Clinical feature | Number of patients | |
|---|---|---|
| Age, yr (N = 17) | Median: 8 yr; range: 1–15 yr | |
| Sex (N = 17) | Male: n = 11 | Female: n = 6 |
| Prodrome (N = 16) | Abdominal pain | n = 9b |
| Vomiting | n = 9b | |
| Diarrhea | n = 8b | |
| Fever | n = 4 | |
| Other | a | |
| Clinical features (N = 16) | Hematuria | n = 12 |
| Proteinuria | n = 13 | |
| Oligoanuria | n = 10 | |
| Hypertension | n = 9 | |
| Edema | n = 3 | |
| Triggering event (N = 17) | Infection | n = 7 |
| None identified | n = 10 | |
| Extrarenal manifestations (N = 16) | None | n = 8 |
| Seizures | n = 3 | |
| Hepatitis | n = 2 | |
| Epistaxis | n = 2 | |
| Pancreatitis | n = 1 | |
| Altered consciousness | n = 1 | |
| Laboratory features at presentation | Mean (range) |
|---|---|
| Hemoglobin, g/dl (N = 17) | 6.6 (4–9.1) |
| Platelet count, ×109 (N = 17) | 52 (9–134) |
| Creatinine, μmol/l (N = 17) | 331 (61–1131) |
| Lactate dehydrogenase, U/L (N = 16) | 4460 (887–17,584) |
| Antinuclear antibodies (N = 12) | 1/12 positive 1:40 |
a
Other prodromal symptoms reported in ≤2 patients: headache, malaise, cough, visible hematuria, petechiae, and flulike illness.
b
Twelve patients had at least 1 gastrointestinal symptom (abdominal pain, vomiting, diarrhea).